/Engine/Source/Editor/UnrealEd/Public/WorkflowOrientedApp/WorkflowTabManager.h
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[TArray](API\Runtime\Core\Containers\TArray)< [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [SDockTab](API\Runtime\Slate\Widgets\Docking\SDockTab) > > GetAllDocumentTabs() const